> How are concepts fixing a problem created by previous features to the langue? Concepts fix implicit template requirements > What about ranges? Fix the bad

> How are concepts fixing a problem created by previous features to the langue? Concepts fix implicit template requirements > What about ranges? Fix the bad iterators > Auto Fix the the overly long type names > Move semantics This is mostly necessary because of excessive copies that cpp does > Consteval Fix cases where constexpr couldn't do it at comptime